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This article briefly describes some of the problems in a variety of access control systems, and in accordance with these issues,We do the following work:1. We Carefully analysis of the fingerprint access control system, radio frequency identification access control systems, and password access control system, and the key technologies in these access control systems. We found that a single access control system to more or less have vulnerability,and the system security is not very high.2. With the advancement of technology and the needs of human life, the more advanced secure access control system has a more and more prospects, a single access control system clearly can not meet these. In this paper we designed a multi-access control system, Greatly improved the security of the system;3. Design a multiple certification access control systems based on radio frequency identification, fingerprint identification and dynamic password, increased the certification process, and the introduction of a dynamic password technology, complete elimination of a password stealing, the security of the system is very improved, so that we can more effectively prevent the entry of illegal officers, to protect users’ privacy and property security.4. We use the hardware circuit to achieve the functionality that we need, in the text we gives a detailed interface circuit. And embedded devices as the central control unit, thus ensuring that the system has sufficient speed of response.
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